public class sun.jvm.hotspot.gc.g1.HeapRegion extends sun.jvm.hotspot.gc.shared.CompactibleSpace
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: sun.jvm.hotspot.gc.g1.HeapRegion
  super_class: sun.jvm.hotspot.gc.shared.CompactibleSpace
{
  private static sun.jvm.hotspot.types.CIntegerField grainBytesField;
    descriptor: Lsun/jvm/hotspot/types/CIntegerField;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC

  private static sun.jvm.hotspot.types.AddressField topField;
    descriptor: Lsun/jvm/hotspot/types/AddressField;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 49
            new sun.jvm.hotspot.gc.g1.HeapRegion$1
            dup
            invokespecial sun.jvm.hotspot.gc.g1.HeapRegion$1.<init>:()V
            invokestatic sun.jvm.hotspot.runtime.VM.registerVMInitializedObserver:(Ljava/util/Observer;)V
         1: .line 54
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private static synchronized void initialize(sun.jvm.hotspot.types.TypeDataBase);
    descriptor: (Lsun/jvm/hotspot/types/TypeDataBase;)V
    flags: (0x002a) ACC_PRIVATE, ACC_STATIC, ACC_SYNCHRONIZED
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // sun.jvm.hotspot.types.TypeDataBase db
         0: .line 57
            aload 0 /* db */
            ldc "HeapRegion"
            invokeinterface sun.jvm.hotspot.types.TypeDataBase.lookupType:(Ljava/lang/String;)Lsun/jvm/hotspot/types/Type;
            astore 1 /* type */
        start local 1 // sun.jvm.hotspot.types.Type type
         1: .line 59
            aload 1 /* type */
            ldc "GrainBytes"
            invokeinterface sun.jvm.hotspot.types.Type.getCIntegerField:(Ljava/lang/String;)Lsun/jvm/hotspot/types/CIntegerField;
            putstatic sun.jvm.hotspot.gc.g1.HeapRegion.grainBytesField:Lsun/jvm/hotspot/types/CIntegerField;
         2: .line 60
            aload 1 /* type */
            ldc "_top"
            invokeinterface sun.jvm.hotspot.types.Type.getAddressField:(Ljava/lang/String;)Lsun/jvm/hotspot/types/AddressField;
            putstatic sun.jvm.hotspot.gc.g1.HeapRegion.topField:Lsun/jvm/hotspot/types/AddressField;
         3: .line 62
            return
        end local 1 // sun.jvm.hotspot.types.Type type
        end local 0 // sun.jvm.hotspot.types.TypeDataBase db
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0    db  Lsun/jvm/hotspot/types/TypeDataBase;
            1    4     1  type  Lsun/jvm/hotspot/types/Type;
    MethodParameters:
      Name  Flags
      db    

  public static long grainBytes();
    descriptor: ()J
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 65
            getstatic sun.jvm.hotspot.gc.g1.HeapRegion.grainBytesField:Lsun/jvm/hotspot/types/CIntegerField;
            invokeinterface sun.jvm.hotspot.types.CIntegerField.getValue:()J
            lreturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>(sun.jvm.hotspot.debugger.Address);
    descriptor: (Lsun/jvm/hotspot/debugger/Address;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // sun.jvm.hotspot.gc.g1.HeapRegion this
        start local 1 // sun.jvm.hotspot.debugger.Address addr
         0: .line 69
            aload 0 /* this */
            aload 1 /* addr */
            invokespecial sun.jvm.hotspot.gc.shared.CompactibleSpace.<init>:(Lsun/jvm/hotspot/debugger/Address;)V
         1: .line 70
            return
        end local 1 // sun.jvm.hotspot.debugger.Address addr
        end local 0 // sun.jvm.hotspot.gc.g1.HeapRegion this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lsun/jvm/hotspot/gc/g1/HeapRegion;
            0    2     1  addr  Lsun/jvm/hotspot/debugger/Address;
    MethodParameters:
      Name  Flags
      addr  

  public sun.jvm.hotspot.debugger.Address top();
    descriptor: ()Lsun/jvm/hotspot/debugger/Address;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // sun.jvm.hotspot.gc.g1.HeapRegion this
         0: .line 73
            getstatic sun.jvm.hotspot.gc.g1.HeapRegion.topField:Lsun/jvm/hotspot/types/AddressField;
            aload 0 /* this */
            getfield sun.jvm.hotspot.gc.g1.HeapRegion.addr:Lsun/jvm/hotspot/debugger/Address;
            invokeinterface sun.jvm.hotspot.types.AddressField.getValue:(Lsun/jvm/hotspot/debugger/Address;)Lsun/jvm/hotspot/debugger/Address;
            areturn
        end local 0 // sun.jvm.hotspot.gc.g1.HeapRegion this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/jvm/hotspot/gc/g1/HeapRegion;

  public java.util.List getLiveRegions();
    descriptor: ()Ljava/util/List;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=1
        start local 0 // sun.jvm.hotspot.gc.g1.HeapRegion this
         0: .line 78
            new java.util.ArrayList
            dup
            invokespecial java.util.ArrayList.<init>:()V
            astore 1 /* res */
        start local 1 // java.util.List res
         1: .line 79
            aload 1 /* res */
            new sun.jvm.hotspot.memory.MemRegion
            dup
            aload 0 /* this */
            invokevirtual sun.jvm.hotspot.gc.g1.HeapRegion.bottom:()Lsun/jvm/hotspot/debugger/Address;
            aload 0 /* this */
            invokevirtual sun.jvm.hotspot.gc.g1.HeapRegion.top:()Lsun/jvm/hotspot/debugger/Address;
            invokespecial sun.jvm.hotspot.memory.MemRegion.<init>:(Lsun/jvm/hotspot/debugger/Address;Lsun/jvm/hotspot/debugger/Address;)V
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
         2: .line 80
            aload 1 /* res */
            areturn
        end local 1 // java.util.List res
        end local 0 // sun.jvm.hotspot.gc.g1.HeapRegion this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lsun/jvm/hotspot/gc/g1/HeapRegion;
            1    3     1   res  Ljava/util/List;

  public long used();
    descriptor: ()J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // sun.jvm.hotspot.gc.g1.HeapRegion this
         0: .line 85
            aload 0 /* this */
            invokevirtual sun.jvm.hotspot.gc.g1.HeapRegion.top:()Lsun/jvm/hotspot/debugger/Address;
            aload 0 /* this */
            invokevirtual sun.jvm.hotspot.gc.g1.HeapRegion.bottom:()Lsun/jvm/hotspot/debugger/Address;
            invokeinterface sun.jvm.hotspot.debugger.Address.minus:(Lsun/jvm/hotspot/debugger/Address;)J
            lreturn
        end local 0 // sun.jvm.hotspot.gc.g1.HeapRegion this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/jvm/hotspot/gc/g1/HeapRegion;

  public long free();
    descriptor: ()J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // sun.jvm.hotspot.gc.g1.HeapRegion this
         0: .line 90
            aload 0 /* this */
            invokevirtual sun.jvm.hotspot.gc.g1.HeapRegion.end:()Lsun/jvm/hotspot/debugger/Address;
            aload 0 /* this */
            invokevirtual sun.jvm.hotspot.gc.g1.HeapRegion.top:()Lsun/jvm/hotspot/debugger/Address;
            invokeinterface sun.jvm.hotspot.debugger.Address.minus:(Lsun/jvm/hotspot/debugger/Address;)J
            lreturn
        end local 0 // sun.jvm.hotspot.gc.g1.HeapRegion this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/jvm/hotspot/gc/g1/HeapRegion;
}
SourceFile: "HeapRegion.java"
NestMembers:
  sun.jvm.hotspot.gc.g1.HeapRegion$1
InnerClasses:
  sun.jvm.hotspot.gc.g1.HeapRegion$1